eo301@0: /*-
eo301@0:  * Copyright (c) 1990, 1993
eo301@0:  *	The Regents of the University of California.  All rights reserved.
eo301@0:  *
eo301@0:  * This code is derived from software contributed to Berkeley by
eo301@0:  * Chris Torek.
eo301@0:  *
eo301@0:  * Redistribution and use in source and binary forms, with or without
eo301@0:  * modification, are permitted provided that the following conditions
eo301@0:  * are met:
eo301@0:  * 1. Redistributions of source code must retain the above copyright
eo301@0:  *    notice, this list of conditions and the following disclaimer.
eo301@0:  * 2. Redistributions in binary form must reproduce the above copyright
eo301@0:  *    notice, this list of conditions and the following disclaimer in the
eo301@0:  *    documentation and/or other materials provided with the distribution.
eo301@0:  * 3. All advertising materials mentioning features or use of this software
eo301@0:  *    must display the following acknowledgement:
eo301@0:  *	This product includes software developed by the University of
eo301@0:  *	California, Berkeley and its contributors.
eo301@0:  * 4. Neither the name of the University nor the names of its contributors
eo301@0:  *    may be used to endorse or promote products derived from this software
eo301@0:  *    without specific prior written permission.
eo301@0:  *
eo301@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
eo301@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
eo301@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
eo301@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
eo301@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
eo301@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
eo301@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
eo301@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
eo301@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
eo301@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
eo301@0:  * SUCH DAMAGE.
eo301@0:  *
eo301@0:  *	@(#)stdio.h	8.5 (Berkeley) 4/29/95
eo301@0:  * $FreeBSD$
eo301@0:  */
eo301@0: 
eo301@0: #ifndef	_STDIO_H_
eo301@0: #define	_STDIO_H_
eo301@0: 
eo301@0: #include <sys/cdefs.h>
eo301@0: #include <sys/_null.h>
eo301@0: #include <sys/_types.h>
eo301@0: 
eo301@0: typedef	__off_t		fpos_t;
eo301@0: 
eo301@0: #ifndef _SIZE_T_DECLARED
eo301@0: typedef	__size_t	size_t;
eo301@0: #define	_SIZE_T_DECLARED
eo301@0: #endif
eo301@0: 
eo301@0: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
eo301@0: #ifndef _OFF_T_DECLARED
eo301@0: #define	_OFF_T_DECLARED
eo301@0: typedef	__off_t		off_t;
eo301@0: #endif
eo301@0: #ifndef _SSIZE_T_DECLARED
eo301@0: #define	_SSIZE_T_DECLARED
eo301@0: typedef	__ssize_t	ssize_t;
eo301@0: #endif
eo301@0: #endif
eo301@0: 
eo301@0: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
eo301@0: #ifndef _VA_LIST_DECLARED
eo301@0: typedef	__va_list	va_list;
eo301@0: #define	_VA_LIST_DECLARED
eo301@0: #endif
eo301@0: #endif
eo301@0: 
eo301@0: #define	_FSTDIO			/* Define for new stdio with functions. */
eo301@0: 
eo301@0: /*
eo301@0:  * NB: to fit things in six character monocase externals, the stdio
eo301@0:  * code uses the prefix `__s' for stdio objects, typically followed
eo301@0:  * by a three-character attempt at a mnemonic.
eo301@0:  */
eo301@0: 
eo301@0: /* stdio buffers */
eo301@0: struct __sbuf {
eo301@0: 	unsigned char *_base;
eo301@0: 	int	_size;
eo301@0: };
eo301@0: 
eo301@0: /*
eo301@0:  * stdio state variables.
eo301@0:  *
eo301@0:  * The following always hold:
eo301@0:  *
eo301@0:  *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
eo301@0:  *		_lbfsize is -_bf._size, else _lbfsize is 0
eo301@0:  *	if _flags&__SRD, _w is 0
eo301@0:  *	if _flags&__SWR, _r is 0
eo301@0:  *
eo301@0:  * This ensures that the getc and putc macros (or inline functions) never
eo301@0:  * try to write or read from a file that is in `read' or `write' mode.
eo301@0:  * (Moreover, they can, and do, automatically switch from read mode to
eo301@0:  * write mode, and back, on "r+" and "w+" files.)
eo301@0:  *
eo301@0:  * _lbfsize is used only to make the inline line-buffered output stream
eo301@0:  * code as compact as possible.
eo301@0:  *
eo301@0:  * _ub, _up, and _ur are used when ungetc() pushes back more characters
eo301@0:  * than fit in the current _bf, or when ungetc() pushes back a character
eo301@0:  * that does not match the previous one in _bf.  When this happens,
eo301@0:  * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
eo301@0:  * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
eo301@0:  *
eo301@0:  * Certain members of __sFILE are accessed directly via macros or
eo301@0:  * inline functions.  To preserve ABI compat, these members must not
eo301@0:  * be disturbed.  These members are marked below with (*).
eo301@0:  */
eo301@0: typedef	struct __sFILE {
eo301@0: 	unsigned char *_p;	/* (*) current position in (some) buffer */
eo301@0: 	int	_r;		/* (*) read space left for getc() */
eo301@0: 	int	_w;		/* (*) write space left for putc() */
eo301@0: 	short	_flags;		/* (*) flags, below; this FILE is free if 0 */
eo301@0: 	short	_file;		/* (*) fileno, if Unix descriptor, else -1 */
eo301@0: 	struct	__sbuf _bf;	/* (*) the buffer (at least 1 byte, if !NULL) */
eo301@0: 	int	_lbfsize;	/* (*) 0 or -_bf._size, for inline putc */
eo301@0:     
eo301@0: 	/* operations */
eo301@0: 	void	*_cookie;	/* (*) cookie passed to io functions */
eo301@0: 	int	(*_close)(void *);
eo301@0: 	int	(*_read)(void *, char *, int);
eo301@0: 	fpos_t	(*_seek)(void *, fpos_t, int);
eo301@0: 	int	(*_write)(void *, const char *, int);
eo301@0:     
eo301@0: 	/* separate buffer for long sequences of ungetc() */
eo301@0: 	struct	__sbuf _ub;	/* ungetc buffer */
eo301@0: 	unsigned char	*_up;	/* saved _p when _p is doing ungetc data */
eo301@0: 	int	_ur;		/* saved _r when _r is counting ungetc data */
eo301@0:     
eo301@0: 	/* tricks to meet minimum requirements even when malloc() fails */
eo301@0: 	unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
eo301@0: 	unsigned char _nbuf[1];	/* guarantee a getc() buffer */
eo301@0:     
eo301@0: 	/* separate buffer for fgetln() when line crosses buffer boundary */
eo301@0: 	struct	__sbuf _lb;	/* buffer for fgetln() */
eo301@0:     
eo301@0: 	/* Unix stdio files get aligned to block boundaries on fseek() */
eo301@0: 	int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
eo301@0: 	fpos_t	_offset;	/* current lseek offset */
eo301@0:     
eo301@0: 	struct pthread_mutex *_fl_mutex;	/* used for MT-safety */
eo301@0: 	struct pthread *_fl_owner;	/* current owner */
eo301@0: 	int	_fl_count;	/* recursive lock count */
eo301@0: 	int	_orientation;	/* orientation for fwide() */
eo301@0: 	__mbstate_t _mbstate;	/* multibyte conversion state */
eo301@0: } FILE;
eo301@0: 
eo301@0: #ifndef _STDSTREAM_DECLARED
eo301@0: __BEGIN_DECLS
eo301@0: extern FILE *__stdinp;
eo301@0: extern FILE *__stdoutp;
eo301@0: extern FILE *__stderrp;
eo301@0: __END_DECLS
eo301@0: #define	_STDSTREAM_DECLARED
eo301@0: #endif
eo301@0: 
eo301@0: #define	__SLBF	0x0001		/* line buffered */
eo301@0: #define	__SNBF	0x0002		/* unbuffered */
eo301@0: #define	__SRD	0x0004		/* OK to read */
eo301@0: #define	__SWR	0x0008		/* OK to write */
eo301@0: /* RD and WR are never simultaneously asserted */
eo301@0: #define	__SRW	0x0010		/* open for reading & writing */
eo301@0: #define	__SEOF	0x0020		/* found EOF */
eo301@0: #define	__SERR	0x0040		/* found error */
eo301@0: #define	__SMBF	0x0080		/* _buf is from malloc */
eo301@0: #define	__SAPP	0x0100		/* fdopen()ed in append mode */
eo301@0: #define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
eo301@0: #define	__SOPT	0x0400		/* do fseek() optimization */
eo301@0: #define	__SNPT	0x0800		/* do not do fseek() optimization */
eo301@0: #define	__SOFF	0x1000		/* set iff _offset is in fact correct */
eo301@0: #define	__SMOD	0x2000		/* true => fgetln modified _p text */
eo301@0: #define	__SALC	0x4000		/* allocate string space dynamically */
eo301@0: #define	__SIGN	0x8000		/* ignore this file in _fwalk */
eo301@0: 
eo301@0: /*
eo301@0:  * The following three definitions are for ANSI C, which took them
eo301@0:  * from System V, which brilliantly took internal interface macros and
eo301@0:  * made them official arguments to setvbuf(), without renaming them.
eo301@0:  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
eo301@0:  *
eo301@0:  * Although numbered as their counterparts above, the implementation
eo301@0:  * does not rely on this.
eo301@0:  */
eo301@0: #define	_IOFBF	0		/* setvbuf should set fully buffered */
eo301@0: #define	_IOLBF	1		/* setvbuf should set line buffered */
eo301@0: #define	_IONBF	2		/* setvbuf should set unbuffered */
eo301@0: 
eo301@0: #define	BUFSIZ	1024		/* size of buffer used by setbuf */
eo301@0: #define	EOF	(-1)
eo301@0: 
eo301@0: /*
eo301@0:  * FOPEN_MAX is a minimum maximum, and is the number of streams that
eo301@0:  * stdio can provide without attempting to allocate further resources
eo301@0:  * (which could fail).  Do not use this for anything.
eo301@0:  */
eo301@0: /* must be == _POSIX_STREAM_MAX <limits.h> */
eo301@0: #ifndef FOPEN_MAX
eo301@0: #define	FOPEN_MAX	20	/* must be <= OPEN_MAX <sys/syslimits.h> */
eo301@0: #endif
eo301@0: #define	FILENAME_MAX	1024	/* must be <= PATH_MAX <sys/syslimits.h> */
eo301@0: 
eo301@0: /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
eo301@0: #if __XSI_VISIBLE
eo301@0: #define	P_tmpdir	"/var/tmp/"
eo301@0: #endif
eo301@0: #define	L_tmpnam	1024	/* XXX must be == PATH_MAX */
eo301@0: #define	TMP_MAX		308915776
eo301@0: 
eo301@0: #ifndef SEEK_SET
eo301@0: #define	SEEK_SET	0	/* set file offset to offset */
eo301@0: #endif
eo301@0: #ifndef SEEK_CUR
eo301@0: #define	SEEK_CUR	1	/* set file offset to current plus offset */
eo301@0: #endif
eo301@0: #ifndef SEEK_END
eo301@0: #define	SEEK_END	2	/* set file offset to EOF plus offset */
eo301@0: #endif
eo301@0: 
eo301@0: #define	stdin	__stdinp
eo301@0: #define	stdout	__stdoutp
eo301@0: #define	stderr	__stderrp
eo301@0: 
eo301@0: __BEGIN_DECLS
eo301@0: /*
eo301@0:  * Functions defined in ANSI C standard.
eo301@0:  */
eo301@0: void	 clearerr(FILE *);
eo301@0: int	 fclose(FILE *);
eo301@0: int	 feof(FILE *);
eo301@0: int	 ferror(FILE *);
eo301@0: int	 fflush(FILE *);
eo301@0: int	 fgetc(FILE *);
eo301@0: int	 fgetpos(FILE * __restrict, fpos_t * __restrict);
eo301@0: char	*fgets(char * __restrict, int, FILE * __restrict);
eo301@0: FILE	*fopen(const char * __restrict, const char * __restrict);
eo301@0: int	 fprintf(FILE * __restrict, const char * __restrict, ...);
eo301@0: int	 fputc(int, FILE *);
eo301@0: int	 fputs(const char * __restrict, FILE * __restrict);
eo301@0: size_t	 fread(void * __restrict, size_t, size_t, FILE * __restrict);
eo301@0: FILE	*freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
eo301@0: int	 fscanf(FILE * __restrict, const char * __restrict, ...);
eo301@0: int	 fseek(FILE *, long, int);
eo301@0: int	 fsetpos(FILE *, const fpos_t *);
eo301@0: long	 ftell(FILE *);
eo301@0: size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
eo301@0: int	 getc(FILE *);
eo301@0: int	 getchar(void);
eo301@0: char	*gets(char *);
eo301@0: void	 perror(const char *);
eo301@0: int	 printf(const char * __restrict, ...);
eo301@0: int	 putc(int, FILE *);
eo301@0: int	 putchar(int);
eo301@0: int	 puts(const char *);
eo301@0: int	 remove(const char *);
eo301@0: int	 rename(const char *, const char *);
eo301@0: void	 rewind(FILE *);
eo301@0: int	 scanf(const char * __restrict, ...);
eo301@0: void	 setbuf(FILE * __restrict, char * __restrict);
eo301@0: int	 setvbuf(FILE * __restrict, char * __restrict, int, size_t);
eo301@0: int	 sprintf(char * __restrict, const char * __restrict, ...);
eo301@0: int	 sscanf(const char * __restrict, const char * __restrict, ...);
eo301@0: FILE	*tmpfile(void);
eo301@0: char	*tmpnam(char *);
eo301@0: int	 ungetc(int, FILE *);
eo301@0: int	 vfprintf(FILE * __restrict, const char * __restrict,
eo301@0:               __va_list);
eo301@0: int	 vprintf(const char * __restrict, __va_list);
eo301@0: int	 vsprintf(char * __restrict, const char * __restrict,
eo301@0:               __va_list);
eo301@0: 
eo301@0: #if __ISO_C_VISIBLE >= 1999
eo301@0: int	 snprintf(char * __restrict, size_t, const char * __restrict,
eo301@0:               ...) __printflike(3, 4);
eo301@0: int	 vfscanf(FILE * __restrict, const char * __restrict, __va_list)
eo301@0: __scanflike(2, 0);
eo301@0: int	 vscanf(const char * __restrict, __va_list) __scanflike(1, 0);
eo301@0: int	 vsnprintf(char * __restrict, size_t, const char * __restrict,
eo301@0:                __va_list) __printflike(3, 0);
eo301@0: int	 vsscanf(const char * __restrict, const char * __restrict, __va_list)
eo301@0: __scanflike(2, 0);
eo301@0: #endif
eo301@0: 
eo301@0: /*
eo301@0:  * Functions defined in all versions of POSIX 1003.1.
eo301@0:  */
eo301@0: #if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506
eo301@0: /* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
eo301@0: #define	L_cuserid	17	/* legacy */
eo301@0: #endif
eo301@0: 
eo301@0: #if __POSIX_VISIBLE
eo301@0: #define	L_ctermid	1024	/* size for ctermid(3); PATH_MAX */
eo301@0: 
eo301@0: char	*ctermid(char *);
eo301@0: FILE	*fdopen(int, const char *);
eo301@0: int	 fileno(FILE *);
eo301@0: #endif /* __POSIX_VISIBLE */
eo301@0: 
eo301@0: #if __POSIX_VISIBLE >= 199209
eo301@0: int	 pclose(FILE *);
eo301@0: FILE	*popen(const char *, const char *);
eo301@0: #endif
eo301@0: 
eo301@0: #if __POSIX_VISIBLE >= 199506
eo301@0: int	 ftrylockfile(FILE *);
eo301@0: void	 flockfile(FILE *);
eo301@0: void	 funlockfile(FILE *);
eo301@0: 
eo301@0: /*
eo301@0:  * These are normally used through macros as defined below, but POSIX
eo301@0:  * requires functions as well.
eo301@0:  */
eo301@0: int	 getc_unlocked(FILE *);
eo301@0: int	 getchar_unlocked(void);
eo301@0: int	 putc_unlocked(int, FILE *);
eo301@0: int	 putchar_unlocked(int);
eo301@0: #endif
eo301@0: #if __BSD_VISIBLE
eo301@0: void	 clearerr_unlocked(FILE *);
eo301@0: int	 feof_unlocked(FILE *);
eo301@0: int	 ferror_unlocked(FILE *);
eo301@0: int	 fileno_unlocked(FILE *);
eo301@0: #endif
eo301@0: 
eo301@0: #if __POSIX_VISIBLE >= 200112
eo301@0: int	 fseeko(FILE *, __off_t, int);
eo301@0: __off_t	 ftello(FILE *);
eo301@0: #endif
eo301@0: 
eo301@0: #if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
eo301@0: int	 getw(FILE *);
eo301@0: int	 putw(int, FILE *);
eo301@0: #endif /* BSD or X/Open before issue 6 */
eo301@0: 
eo301@0: #if __XSI_VISIBLE
eo301@0: char	*tempnam(const char *, const char *);
eo301@0: #endif
eo301@0: 
eo301@0: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
eo301@0: ssize_t	 getdelim(char ** __restrict, size_t * __restrict, int,
eo301@0:                   FILE * __restrict);
eo301@0: int	 renameat(int, const char *, int, const char *);
eo301@0: int	 vdprintf(int, const char * __restrict, __va_list);
eo301@0: 
eo301@0: /*
eo301@0:  * Every programmer and his dog wrote functions called getline() and dprintf()
eo301@0:  * before POSIX.1-2008 came along and decided to usurp the names, so we
eo301@0:  * don't prototype them by default unless one of the following is true:
eo301@0:  *   a) the app has requested them specifically by defining _WITH_GETLINE or
eo301@0:  *      _WITH_DPRINTF, respectively
eo301@0:  *   b) the app has requested a POSIX.1-2008 environment via _POSIX_C_SOURCE
eo301@0:  *   c) the app defines a GNUism such as _BSD_SOURCE or _GNU_SOURCE
eo301@0:  */
eo301@0: #ifndef _WITH_GETLINE
eo301@0: #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
eo301@0: #define	_WITH_GETLINE
eo301@0: #elif defined(_POSIX_C_SOURCE)
eo301@0: #if _POSIX_C_SOURCE >= 200809
eo301@0: #define	_WITH_GETLINE
eo301@0: #endif
eo301@0: #endif
eo301@0: #endif
eo301@0: 
eo301@0: #ifdef _WITH_GETLINE
eo301@0: ssize_t	 getline(char ** __restrict, size_t * __restrict, FILE * __restrict);
eo301@0: #endif
eo301@0: 
eo301@0: #ifndef _WITH_DPRINTF
eo301@0: #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
eo301@0: #define	_WITH_DPRINTF
eo301@0: #elif defined(_POSIX_C_SOURCE)
eo301@0: #if _POSIX_C_SOURCE >= 200809
eo301@0: #define	_WITH_DPRINTF
eo301@0: #endif
eo301@0: #endif
eo301@0: #endif
eo301@0: 
eo301@0: #ifdef _WITH_DPRINTF
eo301@0: int	 (dprintf)(int, const char * __restrict, ...);
eo301@0: #endif
eo301@0: 
eo301@0: #endif /* __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 */
eo301@0: 
eo301@0: /*
eo301@0:  * Routines that are purely local.
eo301@0:  */
eo301@0: #if __BSD_VISIBLE
eo301@0: int	 asprintf(char **, const char *, ...) __printflike(2, 3);
eo301@0: char	*ctermid_r(char *);
eo301@0: void	 fcloseall(void);
eo301@0: char	*fgetln(FILE *, size_t *);
eo301@0: const char *fmtcheck(const char *, const char *) __format_arg(2);
eo301@0: int	 fpurge(FILE *);
eo301@0: void	 setbuffer(FILE *, char *, int);
eo301@0: int	 setlinebuf(FILE *);
eo301@0: int	 vasprintf(char **, const char *, __va_list)
eo301@0: __printflike(2, 0);
eo301@0: 
eo301@0: /*
eo301@0:  * The system error table contains messages for the first sys_nerr
eo301@0:  * positive errno values.  Use strerror() or strerror_r() from <string.h>
eo301@0:  * instead.
eo301@0:  */
eo301@0: extern __const int sys_nerr;
eo301@0: extern __const char *__const sys_errlist[];
eo301@0: 
eo301@0: /*
eo301@0:  * Stdio function-access interface.
eo301@0:  */
eo301@0: FILE	*funopen(const void *,
eo301@0:                  int (*)(void *, char *, int),
eo301@0:                  int (*)(void *, const char *, int),
eo301@0:                  fpos_t (*)(void *, fpos_t, int),
eo301@0:                  int (*)(void *));
eo301@0: #define	fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
eo301@0: #define	fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
eo301@0: 
eo301@0: /*
eo301@0:  * Portability hacks.  See <sys/types.h>.
eo301@0:  */
eo301@0: #ifndef _FTRUNCATE_DECLARED
eo301@0: #define	_FTRUNCATE_DECLARED
eo301@0: int	 ftruncate(int, __off_t);
eo301@0: #endif
eo301@0: #ifndef _LSEEK_DECLARED
eo301@0: #define	_LSEEK_DECLARED
eo301@0: __off_t	 lseek(int, __off_t, int);
eo301@0: #endif
eo301@0: #ifndef _MMAP_DECLARED
eo301@0: #define	_MMAP_DECLARED
eo301@0: void	*mmap(void *, size_t, int, int, int, __off_t);
eo301@0: #endif
eo301@0: #ifndef _TRUNCATE_DECLARED
eo301@0: #define	_TRUNCATE_DECLARED
eo301@0: int	 truncate(const char *, __off_t);
eo301@0: #endif
eo301@0: #endif /* __BSD_VISIBLE */
eo301@0: 
eo301@0: /*
eo301@0:  * Functions internal to the implementation.
eo301@0:  */
eo301@0: int	__srget(FILE *);
eo301@0: int	__swbuf(int, FILE *);
eo301@0: 
eo301@0: /*
eo301@0:  * The __sfoo macros are here so that we can
eo301@0:  * define function versions in the C library.
eo301@0:  */
eo301@0: #define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
eo301@0: #if defined(__GNUC__) && defined(__STDC__)
eo301@0: static __inline int __sputc(int _c, FILE *_p) {
eo301@0: 	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
eo301@0: 		return (*_p->_p++ = _c);
eo301@0: 	else
eo301@0: 		return (__swbuf(_c, _p));
eo301@0: }
eo301@0: #else
eo301@0: /*
eo301@0:  * This has been tuned to generate reasonable code on the vax using pcc.
eo301@0:  */
eo301@0: #define	__sputc(c, p) \
eo301@0: (--(p)->_w < 0 ? \
eo301@0: (p)->_w >= (p)->_lbfsize ? \
eo301@0: (*(p)->_p = (c)), *(p)->_p != '\n' ? \
eo301@0: (int)*(p)->_p++ : \
eo301@0: __swbuf('\n', p) : \
eo301@0: __swbuf((int)(c), p) : \
eo301@0: (*(p)->_p = (c), (int)*(p)->_p++))
eo301@0: #endif
eo301@0: 
eo301@0: #define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
eo301@0: #define	__sferror(p)	(((p)->_flags & __SERR) != 0)
eo301@0: #define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
eo301@0: #define	__sfileno(p)	((p)->_file)
eo301@0: 
eo301@0: extern int __isthreaded;
eo301@0: 
eo301@0: #define	feof(p)		(!__isthreaded ? __sfeof(p) : (feof)(p))
eo301@0: #define	ferror(p)	(!__isthreaded ? __sferror(p) : (ferror)(p))
eo301@0: #define	clearerr(p)	(!__isthreaded ? __sclearerr(p) : (clearerr)(p))
eo301@0: 
eo301@0: #if __POSIX_VISIBLE
eo301@0: #define	fileno(p)	(!__isthreaded ? __sfileno(p) : (fileno)(p))
eo301@0: #endif
eo301@0: 
eo301@0: #define	getc(fp)	(!__isthreaded ? __sgetc(fp) : (getc)(fp))
eo301@0: #define	putc(x, fp)	(!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
eo301@0: 
eo301@0: #define	getchar()	getc(stdin)
eo301@0: #define	putchar(x)	putc(x, stdout)
eo301@0: 
eo301@0: #if __BSD_VISIBLE
eo301@0: /*
eo301@0:  * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12
eo301@0:  * B.8.2.7 for the rationale behind the *_unlocked() macros.
eo301@0:  */
eo301@0: #define	feof_unlocked(p)	__sfeof(p)
eo301@0: #define	ferror_unlocked(p)	__sferror(p)
eo301@0: #define	clearerr_unlocked(p)	__sclearerr(p)
eo301@0: #define	fileno_unlocked(p)	__sfileno(p)
eo301@0: #endif
eo301@0: #if __POSIX_VISIBLE >= 199506
eo301@0: #define	getc_unlocked(fp)	__sgetc(fp)
eo301@0: #define	putc_unlocked(x, fp)	__sputc(x, fp)
eo301@0: 
eo301@0: #define	getchar_unlocked()	getc_unlocked(stdin)
eo301@0: #define	putchar_unlocked(x)	putc_unlocked(x, stdout)
eo301@0: #endif
eo301@0: 
eo301@0: __END_DECLS
eo301@0: #endif /* !_STDIO_H_ */